Quote from Barney in I'm Not That Guy
Barney: Oh, hey, hey-o. New guy entering the cockpit. Could it be the navigator, Ted Mosby? Ted: Uh, no. No, navigators have three stripes on their hats. Captains have four. That guy's a captain. Barney: Yeah, and I'm sure complete accuracy in all those details was very important to the directors... "Dirt and Skank, The Raunch Brothers".